2,210,669

19 × 116351

Starting at 2,210,669, the Collatz iteration reaches 1 after 117 steps. The first transition is 6632008; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 19 × 116351

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,327,040

Proper Divisor Sum 116,371

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #2210653 ← → #2210723

Radix Representation

Decimal	2210669
Binary	1000011011101101101101 (22 bits)
Octal	0o10335555
Hexadecimal	0x21BB6D

Divisor Catalog (4)

1 19 116,351 2,210,669

Collatz Trajectory (117 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

2,210,669 6,632,008 3,316,004 1,658,002 829,001 2,487,004 1,243,502 621,751 1,865,254 932,627 2,797,882 1,398,941 4,196,824 2,098,412 1,049,206 524,603 1,573,810 786,905 2,360,716 1,180,358 590,179 1,770,538 885,269 2,655,808 1,327,904 663,952 331,976 165,988 82,994 41,497 124,492 62,246 31,123 93,370 46,685 140,056 70,028 35,014 17,507 52,522 26,261 78,784 39,392 19,696 9,848 4,924 2,462 1,231 3,694 1,847 5,542 2,771 8,314 4,157 12,472 6,236 3,118 1,559 4,678 2,339

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